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Finding the Fourth Proportional to 350,091.88, 525,247.98 and 125,299.06

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Solution

The fourth proportional to 350,091.88, 525,247.98 and 125,299.06 is: 187,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,091.88 : 525,247.98 = 125,299.06 : x
  2. Step 2: Convert to fraction form
    350,091.88/525,247.98 = 125,299.06/x
  3. Step 3: Cross multiply
    350,091.88x = 525,247.98 × 125,299.06
  4. Step 4: Simplify right side
    350,091.88x = 65,813,078,160.90
  5. Step 5: Solve for x
    x = 65,813,078,160.90/350,091.88
  6. Step 6: Final answer
    x = 187,988.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.